it's going to get colder tonight. 46 in santa rosa. 45 in napa. pretty chilly in the north bay. tomorrow morning, as this morning went, we'll be pretty chilly, santa rosa downtown 38 degrees. 43 in vallejo. you get the idea. tomorrow is another cool start to the day. but we're going to get more sunshine tomorrow. temperatures, today in the mid- 60s, even upper 60s. tomorrow, we're going to see low 70s. we'll talk specifically about the forecast for halloween, and we'll talk about the bay area weekend, temperature forecast. we'll see you back here. >>> a building boom in contra costa county. tonight at 10:30, evidence of a growth spurt that some say walnut creek may not be big enough to handle. >> how some hardened criminals have damaged the building process. "never again grace elizabeth" life insurance from new york life can help your family keep good going. retirement solutions from new york life can help you keep good going. >>> san francisco 49er linebacker, aldon smith is free on bail tonight after surrendering to authorities on weapons charges. smith posted $75,000 bail and